单项选择题
A.gear drive by the engine
B.driven by an exhaust gas turbine
C.driven by a camshaft
D.driven by separate motor
单项选择题 If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）
单项选择题 Stating a large propulsion diesel engine using diesel fuel during cold weather conditions can be made easier by （）
单项选择题 Air in the fuel lines of a diesel engine can cause （）